40th Birthday Decorations For Women Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
40th Birthday Decorations For Women sales on Amazon US totaled 51,600 units in July 2026 (▲ 14.7% vs. the prior month), generating an estimated $531,559 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 58.1% of unit volume and 50.6% of revenue, while a typical listing is priced at $11.88. The keyword itself pulled 23,174 Amazon queries over the same period (▼ 9.6% MoM).
Zooming out to the 12-month window ending July 2026, the 40th birthday decorations for women Top 50 moved 471,000 units and $4,836,612 in cumulative sales — an average of 39,250 units and $403,051 per month. Monthly throughput topped out at 51,600 units in July 2026 and dipped to 22,550 in May 2026, leaving the latest reading 38.7% higher than August 2025.
40th Birthday Decorations For Women Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
51.6K
▲ 14.7% MoM
Monthly Revenue 2026/07
$531.6K
▲ 14.6% MoM
Top 10 Market Share 2026/07
58.1%
40th Birthday Decorations For Women Market Share & Sales Concentration on Amazon US — July 2026
The most-sold 40th birthday decorations for women listing on Amazon US in July 2026 is ASIN B0CTZ7S1M3 (Brand: Fulmoon), which sold 5,000 units at $9.99 apiece — equal to 9.7% of every unit tracked in this report.
The Top 10 ASINs account for 30,000 units and $268,780 in July 2026 — 58.1% of unit volume and 50.6% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for '40th Birthday Decorations For Women' on Amazon
July 2026









Is 58.1% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown

B0CTZ7S1M3
Fulmoon Older Wiser Hotter Banner Birthday sign, Champaign Gold | Funny Birthday Decorations for Women men 30th 40th 50th 60th 70th 80th Birthday Party Backdrop Gift
5K
▲ 25.0%vs. prior month
$50K
latest month
12-month trend

B0CZ918MZQ
Happy Birthday Party Decorations with Banner Balloons for Women | Happy Birthday Banner, Birthday Decor for Girls Women, Curtain Backdrop, Foil Heart Star Confetti Balloons, Hanging Swirls
5K
▲ 25.0%vs. prior month
$56.1K
latest month
12-month trend

B0C9HQSGN7
ANSOMO Sage Green Happy Birthday Party Decorations Retro Green Nude Ivory Dark Olive Kraft Paper Banner Balloons Neutral Rustic Boho Blush Safari Botanical Greenery Wild Décor Supplies Women Adults
3K
▲ 0.0%vs. prior month
$30K
latest month
12-month trend

B08FBW5WF1
AOPRIE Birthday Girl Headband Happy Birthday Tiara for Women Girls Princess Crown Rhinestone Accessories, Gold
3K
▲ 50.0%vs. prior month
$18K
latest month
12-month trend

B0CB9YZJX5
BEISHIDA Glitter Black Pre-Strung Go Shawty It's Your Birthday Banner Decor | NO DIY,birthday decorations for women,Hip Hop Rap Theme Sign,Happy Birthday Banner,Rap Theme Happy Birthday Sign
3K
▲ 0.0%vs. prior month
$17.5K
latest month
12-month trend

B0D6RJFM11
Niyewsor 40th Birthday Gifts Women Men, 40th Birthday Candle | 40th Birthday Decorations for Women Men, 1986 40 Year Old Birthday Gifts for Friend, Sister, Wife, Husband, Handmade, 7oz
3K
▲ 50.0%vs. prior month
$41.7K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best 40th Birthday Decorations For Women Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Fulmoon is the best-performing 40th birthday decorations for women brand in July 2026, moving 5,000 units across 1 ASIN for 16.7% of Top 10 volume. Lutoys follows with 5,000 units (16.7%), ahead of ANSOMO on 3,000 units (10.0%).
Volume is spread across 10 brands, with the top three holding 43.3% between them. No single label controls the shelf, which usually leaves room for a well-differentiated listing to take share without outspending an incumbent. Average selling prices among the leaders run from $9.99 to $11.99, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Fulmoon
1 ASIN in Top 10
16.7%
Units
5K
Revenue
$50K
Avg. price
$9.99

B0CTZ7S1M3
$9.99·★4.7·2.1K revsFulmoon Older Wiser Hotter Banner Birthday sign, Champaign Gold | Funny Birthday Decorations for Women men 30th 40th 50th 60th 70th 80th Birthday Party Backdrop Gift
Units sold5K
Lutoys
1 ASIN in Top 10
16.7%
Units
5K
Revenue
$56.1K
Avg. price
$11.99

B0CZ918MZQ
$11.99·★4.5·1.5K revsHappy Birthday Party Decorations with Banner Balloons for Women | Happy Birthday Banner, Birthday Decor for Girls Women, Curtain Backdrop, Foil Heart Star Confetti Balloons, Hanging Swirls
Units sold5K
ANSOMO
1 ASIN in Top 10
10.0%
Units
3K
Revenue
$30K
Avg. price
$9.99

B0C9HQSGN7
$9.99·★4.6·1.1K revsANSOMO Sage Green Happy Birthday Party Decorations Retro Green Nude Ivory Dark Olive Kraft Paper Banner Balloons Neutral Rustic Boho Blush Safari Botanical Greenery Wild Décor Supplies Women Adults
Units sold3K
Trending 40th Birthday Decorations For Women Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. On the growth side, B0FB3NQRCK leads positive momentum with ▲ 150.0% MoM growth on 500 units, with B08399DH4M close behind at ▲ 100.0% MoM on 2K units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.

B0FB3NQRCK
40th Birthday Gifts Women- Rose Gold 40th Wine Glass - Vintage 1986 40th Birthday Decorations for Women - Elegant 40 Year Old Birthday Gifts Ideas for Her, Mom, Wife, Friend, Sister
Price
$15.99
Rating
4.7
Reviews
183
Latest month sales

B08399DH4M
40th Birthday Gifts for Women, Men, Her, Him - Happy Prank Toilet Paper - 40th Birthday Decorations, Party Supplies Favors - 40 Years Old Funny Gag Gift Ideas, Novelty Bday Present for Friends, Family
Price
$6.99
Rating
4.7
Reviews
10.2K
Latest month sales

B0D41MR62G
WHAVEL 40th Birthday Decorations for Women 40th Birthday Crown 40th Birthday Gifts Women
Unlock to view ASIN details and product titles
Price
$9.99
Rating
4.6
Reviews
155
Latest month sales
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